On 5/22/2024 3:51 AM, Dmitry Baryshkov wrote:
The HDMI block needs to be enabled to properly generate HPD events. Make
sure it is not turned off in the disable paths if HPD delivery is enabled.
Signed-off-by: Dmitry Baryshkov
Reviewed-by: Jessica Zhang
---
drivers/gpu/drm/msm/hdmi/hdm
On Wed, 12 Jun 2024 at 16:01, Markus Elfring wrote:
>
> …
> > +++ b/drivers/gpu/drm/msm/hdmi/hdmi_bridge.c
> > @@ -117,11 +117,13 @@ static void msm_hdmi_bridge_atomic_pre_enable(struct
> > drm_bridge *bridge,
> >
> > DBG("power up");
> >
> > + mutex_lock(&hdmi->state_mutex);
> >
…
> +++ b/drivers/gpu/drm/msm/hdmi/hdmi_bridge.c
> @@ -117,11 +117,13 @@ static void msm_hdmi_bridge_atomic_pre_enable(struct
> drm_bridge *bridge,
>
> DBG("power up");
>
> + mutex_lock(&hdmi->state_mutex);
> if (!hdmi->power_on) {
…
> }
> + mutex_unlock(&hdmi->state_mute
The HDMI block needs to be enabled to properly generate HPD events. Make
sure it is not turned off in the disable paths if HPD delivery is enabled.
Signed-off-by: Dmitry Baryshkov
---
drivers/gpu/drm/msm/hdmi/hdmi.c| 1 +
drivers/gpu/drm/msm/hdmi/hdmi.h| 2 ++
drivers/gpu/drm/msm
